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Addition of Integers on Number Line

Find the sum ...

Question

Find the sum of 50, -20 and 64.

A

84

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B

94

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C

64

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D

74

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Solution

The correct option is B 94
50 + (-20) + 64
Arrange the positive integers and negative integers in groups
= 50 + 64 + (-20)
= 114 + (-20)
= 114 - 20
= 94

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